<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>


<form action="/login" method="post">
用户名:<input type="text" name="username">
密码:<input type="password" name="password">
<input type="submit" value="提交">
</form>
</body>
</html>